Date: Mon, 4 May 2015 18:27:14 +0300 From: Roman Bogorodskiy <novel@FreeBSD.org> To: Roger Pau =?iso-8859-1?Q?Monn=E9?= <royger@FreeBSD.org> Cc: freebsd-virtualization@freebsd.org, bapt@freebsd.org Subject: Re: xen_kernel, console and X11 Message-ID: <20150504152712.GA1005@kloomba> In-Reply-To: <55478123.3050807@FreeBSD.org> References: <20150502154340.GA8333@kloomba> <55473E2A.3020306@FreeBSD.org> <20150504140727.GA983@kloomba> <55478123.3050807@FreeBSD.org>
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--J2SCkAp4GZ/dPZZf Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Roger Pau Monn=E9 wrote: > Hello, >=20 > El 04/05/15 a les 16.16, Roman Bogorodskiy ha escrit: > > Roger Pau Monn=E9 wrote: > >=20 > >> Hello, > >> > >> El 02/05/15 a les 17.43, Roman Bogorodskiy ha escrit: > >>> Hi, > >>> > >>> I'm trying to get Xen running and following these instructions: > >>> > >>> https://wiki.freebsd.org/Xen > >>> > >>> and > >>> > >>> http://wiki.xen.org/wiki/FreeBSD_Dom0 > >>> > >>> I'm running two days old -CURRENT and ports. I've installed the > >>> emulators/xen port and followed instructions in pkg-message. > >>> > >>> I'm having some problems with console. I'm wondering if it's possible= to > >>> have X running on the same box running xen kernel? > >> > >> It should be, although I had issues while using the vesa driver with a > >> FreeBSD Xen Dom0, mainly because Dom0 doesn't have access to the BDA a= nd > >> EBDA, I'm working on fixing this in Xen upstream. > >> > >>> My setup is as follows: > >>> =20 > >>> - Intel i5-4690 that supports IOMMU: > >>> $ sudo acpidump -t|grep DMAR > >>> DMAR: Length=3D128, Revision=3D1, Checksum=3D90, > >>> $ > >>> - vm.max_wired=3D-1 in /etc/sysctl.conf > >>> - xc0 "/usr/libexec/getty Pc" xterm on secure in > >>> /etc/ttys > >>> > >>> In loader.conf I have: > >>> > >>> xen_kernel=3D"/boot/xen" > >>> xen_cmdline=3D"dom0_mem=3D2048M dom0_max_vcpus=3D4 dom0pvh=3D1 com1= =3D115200,8n1 > >>> guest_loglvl=3Dall loglvl=3Dall console=3Dcom1" > >> > >> So you are trying to use the serial console but you are not getting any > >> output? If that's not the case, please drop the com1 parameter and set > >> console=3Dvga. > >=20 > > Sorry for confusion, actually 'console=3Dcom1' works for me. > > Initially I didn't realize that it doesn't display kernel messages and > > after some failed attempts to run startx and hard reboots it took much > > longer to see a login prompt because I have background fsck disabled. > >=20 > > So, 'console=3Dcom1' works unless I do 'startx'. >=20 > I'm not sure I would call it working if you don't get any kernel > messages while booting. What happens if you set console=3Dvga? >=20 > >=20 > >> Do you have anything else in your /boot/loader.conf apart from this two > >> lines? > >> > >>> > >>> With this setup I get my system booted and at some point I can see a > >>> login screen. When I type 'startx' the system freezes. Have to hard > >>> reboot it to get working again. > >> > >> On which device do you get a login prompt? Is it xc0, ttyv0 or ttyu0? > >=20 > > I get a login prompt on ttyv0. > >=20 > > BTW, I use the nvidia driver. >=20 > Another user also reported a similar problem with Xen and X, and it was > solved by the following patch: >=20 > https://people.freebsd.org/~royger/0001-xen-introduce-a-newbus-function-t= o-allocate-unused-m.patch >=20 > Could you apply it and rebuild your kernel to see if that also solves > your issues? Applied this patch on r282416, things didn't change: I do 'startx' in ttyv0, X prints that it loads extensions, then a black screen with a cursor appears and things hang. Roman Bogorodskiy --J2SCkAp4GZ/dPZZf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJVR4/QAAoJEMltX/4IwiJqqN4H/AuH304uDsohkZSIZiR4oc4H fA60qK8wn6QOseJpYQZAE1HCn7AUkVoUaQSPxB9QIZk/5ZLMOm8jQdOLcJp1RBUq XTbaCuWqsMLt3tGTumeLFbbovZiP0T0SOPywvngmpfo4g5lojIaRXvLXRvTFBndH 6+fmFyXk62j9NbIqdUAIPpICOAinv2V+/spsi/9PTh0rXev8vJjOTp/7QS0nGZD8 9yOVBbRHzXXF2IhDsZPvGsBJ3b/lUHdP10KJw28UJ77KyHFf2Lcqbs16XcAkrvwQ RJj4QBAFAY1MpN+jALw1i+biTuVbyMBKIcTazDvS4fA7I0B+YdRPmDKQK0NExJA= =a8NO -----END PGP SIGNATURE----- --J2SCkAp4GZ/dPZZf--
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